circumscribe (verb) – to restrict within limits; to encircle, enclose, or draw a line around
BREAKDOWN: CIRCUM- (around) + SCRIBE- (write)
— circumscription is the act or state of limitation or enclosure; an outline or periphery
This word is built on the root CIRC-, which means about, around, or round.
Common CIRC- words include circle, circumference, and circus.
More esoteric CIRC- words include circumlocution, circumnavigate, and circumvolve.